alphabooks.vn - Công ty cổ phần Sách Alpha

Quick Summary

Online Status

Online

Server IP address resolved: Yes
Http response code: 200
Response time: 2.08 sec.
Last Checked: 07/12/2024

Over the time alphabooks.vn has been ranked as high as 87,255 in the world.

Alphabooks.vn receives about 1,550 unique visitors and 3,100 pageviews per day. The estimated value of alphabooks.vn is 2,400 USD. Each unique visitor makes about 2 pageviews on average.

Alphabooks.vn is registered under .VN top-level domain. Check other websites in .VN zone.

At the time of the last check (October 03, 2024) alphabooks.vn has a valid and up-to-date SSL certificate issued by Let's Encrypt that expires on December 10, 2024. Check other websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing, Symantec and Web of Trust alphabooks.vn is quite a safe domain.

Mobile-Friendly test indicates that alphabooks.vn isn't optimized for mobile and tablet devices. Designing your websites to be mobile friendly ensures that your pages perform well on all devices, also website page loading time could be improved.

Alphabooks.vn General Information

Global Rank

Average Load Time

0.00sec

Links In Count

Website Value

$2,400

Alphabooks.vn Alexa Rank History

Alexa Rank shows how popular alphabooks.vn is in comparison with other sites. The most popular site has Alexa Rank equals 1. If alphabooks.vn has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to alphabooks.vn and pageviews on alphabooks.vn over the past 3 months.

Alphabooks.vn Safety Information

Overview

Last Updated: 11/05/2024

Unknown status.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 03/27/2024

alphabooks.vn is safe.

Norton ConnectSafe evaluates alphabooks.vn for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 11/05/2024

Unknown status.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

Malware not found at "alphabooks.vn".
"alphabooks.vn" is not a phishing page.
"alphabooks.vn" does not install unwanted software.
"alphabooks.vn" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 02/20/2021

alphabooks.vn is safe.

McAfee assesses alphabooks.vn for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze alphabooks.vn for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/12/2019

alphabooks.vn child safety isvery good.

The WOT calculates reputation of the alphabooks.vn. This reputation system receives ratings from users and information from third-party sources, assesses the alphabooks.vn for safety features and confirms, whether alphabooks.vn is suitable for children.

SSL Information

SSL Checker Tool

Domain	alphabooks.vn
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	09/11/2024
Expiration	12/10/2024
Signed	Certificate is not self signed
Additional Domains	alphabooks.vn

Alphabooks.vn Server Information

Server Location

Geolocation Tool

Hanoi

Ha Noi

Viet Nam

ASN Information

ASN Lookup Tool

ASN ID: 18403
ASN Title: FPT-AS-AP The Corporation for Financing & Promoting Technology, VN

Last Update: 03/01/2024

ASN Whois

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS17408 - AS18409'

as-block: AS17408 - AS18409
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2008-09-04T06:40:26Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS17653 - AS18431'

as-block: AS17653 - AS18431
descr: APNIC ASN block
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-APNIC-AP
last-modified: 2016-09-30T02:07:37Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS18403'

% Abuse contact for 'AS18403' is 'hm-changed@vnnic.vn'

aut-num: AS18403
as-name: FPT-AS-AP
descr: The Corporation for Financing & Promoting Technology
descr: 2nd floor â FPT Building, Pham Hung Road, Cau Giay District, Hanoi
country: VN
import: from AS4637 action pref=10; accept any
import: from AS7643 action pref=10; accept any
export: to AS4637 announce AS18403
export: to AS7643 announce AS18403
remarks: mail to: abuse@fpt.vn
admin-c: TTH19-AP
tech-c: NOC21-AP
notify: abuse@fpt.vn
mnt-by: MAINT-VN-VNNIC
mnt-routes: MAINT-VN-FPT
mnt-irt: IRT-VNNIC-AP
last-modified: 2012-08-31T06:58:26Z
source: APNIC

irt: IRT-VNNIC-AP
address: Ha Noi, VietNam
phone: +84-24-35564944
fax-no: +84-24-37821462
e-mail: hm-changed@vnnic.vn
abuse-mailbox: hm-changed@vnnic.vn
admin-c: NTTT1-AP
tech-c: NTTT1-AP
auth: # Filtered
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-08T09:40:06Z
source: APNIC

person: Network Operation Center
nic-hdl: NOC21-AP
e-mail: ftel.noc.net@fpt.com.vn
address: FPT Telecom
phone: +84-28-73093388
fax-no: +84-28-73008889
country: VN
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-13T06:48:10Z
source: APNIC

person: Tran Thanh Hai
nic-hdl: TTH19-AP
e-mail: haitt3@fpt.com.vn
address: FPT Telecom
phone: +84-90-4211450
fax-no: +84-24-37262163
country: VN
mnt-by: MAINT-VN-VNNIC
last-modified: 2017-11-13T04:26:47Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

Alphabooks.vn Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

alphabooks.vn domain is not supported

DNS Records

DNS Lookup Tool

Host	A Record	TTL
alphabooks.vn	210.245.8.139	3600

Host	MX Record	Priority	TTL
alphabooks.vn	mail.alphabooks.vn	10	3600

Host	NS Record	TTL
alphabooks.vn	ns2.dotvndns.vn	3600
alphabooks.vn	ns1.dotvndns.vn	3600
alphabooks.vn	nsbak.dotvndns.com	3600

Host	TXT Record	TTL
alphabooks.vn	v=spf1+a+mx+ip4:112.213.92.24?all	3600
alphabooks.vn	google-site-verification=4Cp4s7xY-pVwQZVSsv8wsax6cxoot6V_a6HqEoQflO8	3600

ns1.dotvndns.vn
TTL: 3600
Email address: hostmaster.alphabooks.vn
Serial: 2019040849
Refresh: 14400
Retry: 3600
Expire: 1209600
Minimum: 86400

Alphabooks.vn HTML Validation

HTML Validation Tool

Errors

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Bad start tag in “img” in “head”.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Stray end tag “noscript”.

Stray end tag “head”.

Start tag “body” seen but an element of the same type was already open.

Bad value “tel:1900 2647” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.

Duplicate ID “product-actions-10119131”.

Duplicate ID “product-actions-10086103”.

Duplicate ID “product-actions-9271261”.

Duplicate ID “product-actions-12082241”.

Duplicate ID “product-actions-10119615”.

Duplicate ID “product-actions-10154663”.

Duplicate ID “product-actions-10048041”.

Duplicate ID “product-actions-11913200”.

No space between attributes.

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Attribute “vũ” not allowed on element “img” at this point.

Attribute “khí"” not allowed on element “img” at this point.

Attribute “gây” not allowed on element “img” at this point.

Attribute “Ảnh” not allowed on element “img” at this point.

Attribute “hưởng” not allowed on element “img” at this point.

Attribute “hiệu” not allowed on element “img” at this point.

Attribute “quả” not allowed on element “img” at this point.

Attribute “Được” not allowed on element “img” at this point.

Attribute “các” not allowed on element “img” at this point.

Attribute “chuyên” not allowed on element “img” at this point.

Attribute “gia” not allowed on element “img” at this point.

Attribute “thuyết” not allowed on element “img” at this point.

Attribute “phục” not allowed on element “img” at this point.

Attribute “hàng” not allowed on element “img” at this point.

Attribute “Đầu” not allowed on element “img” at this point.

Attribute “sử” not allowed on element “img” at this point.

Attribute “dụng"” not allowed on element “img” at this point.

Attribute “vũ” not allowed on element “a” at this point.

Attribute “khí"” not allowed on element “a” at this point.

Attribute “gây” not allowed on element “a” at this point.

Attribute “Ảnh” not allowed on element “a” at this point.

Attribute “hưởng” not allowed on element “a” at this point.

Attribute “hiệu” not allowed on element “a” at this point.

Attribute “quả” not allowed on element “a” at this point.

Attribute “Được” not allowed on element “a” at this point.

Attribute “các” not allowed on element “a” at this point.

Attribute “chuyên” not allowed on element “a” at this point.

Attribute “gia” not allowed on element “a” at this point.

Attribute “thuyết” not allowed on element “a” at this point.

Attribute “phục” not allowed on element “a” at this point.

Attribute “hàng” not allowed on element “a” at this point.

Attribute “Đầu” not allowed on element “a” at this point.

Attribute “sử” not allowed on element “a” at this point.

Attribute “dụng"” not allowed on element “a” at this point.

Duplicate ID “product-actions-11706827”.

Bad value “https://fonts.googleapis.com/css?family=Unica+One:400|Roboto&subset=latin,vietnamese” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Bad character “3” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.

Duplicate ID “fb-root”.

Bad value “” for attribute “action” on element “form”: Must be non-empty.

Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.

The first occurrence of ID “product-actions-10119131” was here.

The first occurrence of ID “product-actions-10086103” was here.

The first occurrence of ID “product-actions-9271261” was here.

The first occurrence of ID “product-actions-12082241” was here.

The first occurrence of ID “product-actions-10119615” was here.

The first occurrence of ID “product-actions-10154663” was here.

The first occurrence of ID “product-actions-10048041” was here.

The first occurrence of ID “product-actions-11913200” was here.

Attribute “khí"” is not serializable as XML 1.0.

Attribute “dụng"” is not serializable as XML 1.0.

The first occurrence of ID “product-actions-11706827” was here.

The first occurrence of ID “fb-root” was here.

Alphabooks.vn Desktop Insights

Desktop Page Insights Tool

Last tested: 12/21/2015

Desktop

Desktop Speed

21%

Optimize images

Enable compression

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Minify JavaScript

Minify CSS

Reduce server response time

Minify HTML

Desktop Resource Breakdown

Total Resources	200
Number of Hosts	6
Static Resources	186
JavaScript Resources	27
CSS Resources	8

Alphabooks.vn Mobile Insights

Mobile Page Insights Tool

Last tested: 12/21/2015

Mobile

Mobile Usability

59%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Size content to viewport

Mobile Speed

20%

Leverage browser caching

Optimize images

Enable compression

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Minify JavaScript

Minify CSS

Reduce server response time

Minify HTML

Mobile Resource Breakdown

Total Resources	205
Number of Hosts	6
Static Resources	191
JavaScript Resources	27
CSS Resources	8

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Alphabooks.vn Công ty cổ phần Sách Alpha

Công ty cổ phần Sách Alpha (gọi tắt là Alpha Books) do một nhóm trí thức trẻ thành lập ở Hà Nội năm 2005

Quick Summary

Alphabooks.vn General Information

Alphabooks.vn Alexa Rank History

Alphabooks.vn Safety Information

Alphabooks.vn Server Information

Alphabooks.vn Domain Name Information

Alphabooks.vn HTML Validation

Alphabooks.vn Desktop Insights

Alphabooks.vn Mobile Insights

Alphabooks.vn Nearest Competitors

Alphabooks.vn Typos